vitamin b12 1000 mcg injection price Cyanocobalamin (Vitamin B12) mcg/mL, Multiple Dose Vial 1 mL, 25/Tray 250 mL and 500 mL vials Provides 1 B12 vitamin Store Vitamin B12

You still have to put in some work too

Always good to have a reason I have also had this happen when my folate was low , it may be worth you getting it checked I had self inject my B12 every 4 weeks for the last 20+ (cannot really remember how long accurately), and 2 months ago got a similar 'electric shock tingling' all over my body - head, face, arms, hands, legs, feet etc within a couple of minutes of injecting, which lasted about 3 seconds or so

Most people start noticing changes around the 23 month mark

De novo mutations in synaptic transmission genes including DNM1 cause epileptic encephalopathies

Instead, gently swirl the vial between your fingers or roll it in your palms